Rack before 1.1.3, 1.2.x before 1.2.5, and 1.3.x before 1.3.6 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.
CVSS Details
- CVSS 3.1 Base Score: 7.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade ruby-rack | Jul 30, 2024 | Dec 30, 2011 |
| Freebsd | — | Upgrade rubygem-rackUpgrade ruby+nopthreads+onigurumaUpgrade ruby+onigurumaUpgrade ruby+nopthreadsUpgrade rubyUpgrade redisUpgrade jrubyUpgrade v8Upgrade node | Dec 10, 2025 | Jan 16, 2012 |
| Gentoo Linux | — | Upgrade dev-ruby/rack. | Oct 30, 2017 | Dec 29, 2011 |
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